Any wedding photographer whether full-time or part-time, professional or amateur is eligible to enter each year, and a panel of judges from around the world choose the winners from various categories, including Black and White, Couple Portrait, and Bridal Party.
Read more: 25 beautiful and intimate award-winning photos show the reality behind weddings around the world
The winners for 2018 have been revealed, and they include a couple under the stars in Australia, groomsmen hiding in corn fields in Canada, and friends pouring shots of vodka into a man's mouth in India.
Unsurprisingly, a lot of the images come from countries with dramatic landscapes providing epic backdrops, such as New Zealand, Norway, and Canada, whileothers simply capture beautiful moments at just the perfect time.
Scroll down to see the winner, runners-up and some of the other stunning wedding photos featured in the awards.
Grand Winner: Couple Portrait: Dan ODay, Australia
O'Day used coloured smoke bombs to create atmospheric images for bride and groom Jess and Des.
"I managed to stop them from giggling and being in love with that 'just married' vibe on their faces for about .06 of a second so that I could get my 'dramatic tortured artist' fix and guide them through the slice of light," he said.
Runner-Up: Couple Portrait: Dan ODay, Australia
Runner-Up: Engagement: Jason Tey, Australia
"This image was taken in the Lancelin sand dunes, a beach-side town about 140 kilometres north of Perth," said Tey. "Out there it is so dark you're left in awe at how vast and magnificent the universe is."
Runner-Up: Couple Portrait: Dan ODay, Australia
Black and White: Jiri Horak, Spain
Bridal Party: Thu Tran, US
Couple Portrait: Abbi Hearne, US
Black and White: Chrissa Chaina, Greece
Dance Floor: Camilla Andersen, Norway
Black and White: Jessica Notelo, South Africa
Epic Location: Christin Eide, Norway
Black and White: Ireen Lampe, Germany
Single Capture: Sara Rogers, Canada
Bridal Party: Clestine Aerden, Canada
"Natalie and Michael celebrated their day with friends and family from all over the world," photographer Aerden said. "One thing that stood out to me was how close they were to their bridal party.
"These groomsmen were so much fun to photograph. I don't think I've ever had a group of guys that was so excited for photos!"
Single Capture: Meredith Lord, New Zealand
Bridal Party: Dan ODay, Australia
From Above: Nikki Leadbetter, UK
Bridal Party: Shayben Moussa, Australia
Epic Location: Fredrik Larsson, New Zealand
Dance Floor: Aaron Storry, UK
Single Capture: James Simmons, Australia
"Athena and Cameron's sense of style help this shot a lot as its not often you see a confetti shot on a clean white background," said Simmons.
From Above: Steven Stemmler, Canada
Couple Portrait: Kevin Biberbach, Germany
Bridal Party: Tracey Crown, Canada
Solo Portrait: Esteban Gil, US
Single Capture: Mazharul Rafi, Bangladesh
Couple Portrait: Athena Blanksby, Australia
Dance Floor: Sergey Lapkovsky, US
Solo Portrait: Svetlana Ryajentseva, Greece
Black and White: Chris Glenn, US
"I figure showing only half their faces, two halves, make a solid whole a new stable, solid future," Glenn said of his shot of grooms John and Zorik.
Single Capture: Ryan Bodrug, Canada
Dance Floor: Alex James, UK
Dance Floor: James Simmons, Australia
Epic Location: Felix Barra, Mexico
Dance Floor: Divyam Mehrotra, India
"Dance floor is my absolute love while shooting Indian weddings, it allows you to experiment over different and crazy angles, and this image was one of them, when friends decided to pour in vodka out of tea glasses all together, I knew this is something which doesn't happen frequently," Mehrotra said.
Epic Location: Andrew Pavlidis, Canada
From Above: Aaron Storry, UK
Solo Portrait: Paul Woo, US
Couple Portrait: Jeff Chang, Canada
Solo Portrait: Carmelo Ucchino, Italy
